Natural gas. Measurement of properties. Calorific value and Wobbe index1 Scope This International Standard concerns the measurement of calorific value of natural gas and natural gas substitutes by non separative methods, i. e. methods that do not involve the determination of the gas composition nor calculation from it. It describes the principles of operation of a variety of instruments in use for this purpose, and provides guidelines for the selection, evaluation, performance assessment, installation and operation of

BS EN 1995-2 covers the following subjects:

This International Standard also specifies the packing and marking requirements for black tea in containers

f) overlapped recovery

BS EN ISO 27107 is applicable to all animal and vegetable fats and oils

BS EN IEC 60076‑22‑4 explains the end-user for approximation of the behavior of the heat exchanger under different operation conditions with the help of an example based on calculation rules

This is a European technical specification giving organizations good practice guidance on how to prepare for

This is because the distance for spectators varies depending on the category of firework (1 m for category 1 fireworks

Flour and semolina processing machinery test personnel

Class 240 is a thermal class that requires a temperature index of at least 240

These functionalities can be implemented using generic protocols defined in the industrial standards

• determine the relative advantages and disadvantages of the possible solutions

BS 5306-3:2017 was updated to reflect changes to both the products themselves and to environmental considerations